Guide pin slot arrangement for super plastic forming blanks...

Details Guide pin slot arrangement for super plastic forming blanks... Guide pin slot arrangement for super plastic forming blanks...

2005-01-04

2005-01-04

Larson, Lowell A. (Department: 3725)

Metal deforming

By application of fluent medium, or energy field

Using fixed die

C072S344000, C072S420000, C428S571000, C428S577000

Reexamination Certificate

active

06837087

ABSTRACT:
A blank positioning and guide construction which includes guide pin slotting that effects the accurate positioning of the sheet on the forming die and guide pin thereof and which provides for the enlargement of the guide pin slot by the predetermined deformation of portion of the sheet at a predetermined bend line adjacent to the guide pin slot to eliminate adherence of the part to the pin so that the part can be ejected from the die without detrimental part distortion of the part.

REFERENCES:
patent: 2975818 (1961-03-01), Rippe
patent: 3854359 (1974-12-01), Tagami
patent: 5259230 (1993-11-01), Beyers
patent: 5604044 (1997-02-01), McCabe et al.
patent: 5819572 (1998-10-01), Krajewski
patent: 5974847 (1999-11-01), Saunders et al.
patent: 6085571 (2000-07-01), Brinas et al.
patent: 20020152783 (2002-10-01), Kleber et al.

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